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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-29 20:37:03 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-29 20:37:03 +0300 |
| commit | 889bb74302e5aba85d987b4093344150984d7cda (patch) | |
| tree | a81f49ee3b866e13a623e77090bbc153210d0091 /arch/nds32/include/asm/processor.h | |
| parent | 903b77c631673eeec9e9114e9524171cdf9a2646 (diff) | |
| parent | e2f3f8b4a497d26bdcd55a53246ec2e613ae0fd4 (diff) | |
| download | linux-889bb74302e5aba85d987b4093344150984d7cda.tar.xz | |
Merge tag 'nds32-for-linus-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 updates from Greentime Hu:
- Perf support
- Power management support
- FPU support
- Hardware prefetcher support
- Build error fixed
- Performance enhancement
* tag 'nds32-for-linus-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
nds32: support hardware prefetcher
nds32: Fix the items of hwcap_str ordering issue.
math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning
math-emu/op-2.h: Use statement expressions to prevent negative constant shift
nds32: support denormalized result through FP emulator
nds32: Support FP emulation
nds32: nds32 FPU port
nds32: Remove duplicated include from pm.c
nds32: Power management for nds32
nds32: Add document for NDS32 PMU.
nds32: Add perf call-graph support.
nds32: Perf porting
nds32: Fix bug in bitfield.h
nds32: Fix gcc 8.0 compiler option incompatible.
nds32: Fill all TLB entries with kernel image mapping
nds32: Remove the redundant assignment
Diffstat (limited to 'arch/nds32/include/asm/processor.h')
| -rw-r--r-- | arch/nds32/include/asm/processor.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/processor.h b/arch/nds32/include/asm/processor.h index c2660f566bac..72024f8bc129 100644 --- a/arch/nds32/include/asm/processor.h +++ b/arch/nds32/include/asm/processor.h @@ -35,6 +35,8 @@ struct thread_struct { unsigned long address; unsigned long trap_no; unsigned long error_code; + + struct fpu_struct fpu; }; #define INIT_THREAD { } @@ -72,6 +74,11 @@ struct task_struct; /* Free all resources held by a thread. */ #define release_thread(thread) do { } while(0) +#if IS_ENABLED(CONFIG_FPU) +#if !IS_ENABLED(CONFIG_UNLAZU_FPU) +extern struct task_struct *last_task_used_math; +#endif +#endif /* Prepare to copy thread state - unlazy all lazy status */ #define prepare_to_copy(tsk) do { } while (0) |